See also:

Playing the Radio
(Power/Volume): Press to turn the system on and off. Turn to increase or decrease the volume. For vehicles with a Rear Seat Entertainment (RSE) System, press and hold for more than two seconds to tu ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and options ava ...

Vehicle Information Menu Items
(Vehicle Information): Press this button to scroll through the following menu items: OIL LIFE Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate ...